/* ==========================================================================
   Seat Tracker  (pollcheck.co.uk/seat-tracker)
   Scoped to body.seat-tracker. Consumes design tokens from css/p2n.css,
   so the page's <body> must also carry class "p2n" (light only - the
   swingometer_theme dark key is deliberately NOT wired on this page).

   Prefix: .st-*   Fidelity: high. Values follow the design handoff exactly.
   ========================================================================== */

body.seat-tracker {
  /* White/neutral surfaces to match gb-polls (page #FAFAFA, cards #FFF), instead
     of the p2n cream palette. Remapped here so every var(--p2n-*) surface flips
     in one place; party colours, ink and accent are untouched. */
  --st-canvas: var(--pc-bg);
  --p2n-bg: var(--pc-bg);            /* page surface (white default) */
  --p2n-panel: var(--pc-surface);    /* cards / panels */
  --p2n-tint: var(--pc-tint);        /* inset fills - fields, chips, hovers, tracks */
  --p2n-border: var(--pc-border);    /* card/section borders */
  --p2n-hairline: var(--pc-border-light);  /* table rows, grid cells */
  --p2n-control: #D0D0D0;            /* form control borders */
  --p2n-crosshair: var(--pc-nc);     /* dashed event rule */

  /* Direction colours (p2n exposes positive/negative; alias for clarity) */
  --st-pos: var(--p2n-positive);   /* #2A9D2A */
  --st-neg: var(--p2n-negative);   /* #C0392B */
  --st-zero: var(--p2n-faint);     /* #999999 */

  background: var(--st-canvas);
  color: var(--p2n-body);
  font-family: var(--p2n-sans);
  -webkit-font-smoothing: antialiased;
}

/* ---- Page container ----------------------------------------------------
   Full-width, matching gb-polls' .gbp-wrap (no max-width; prose blocks keep
   their own max-widths so long-form copy stays readable). */
body.seat-tracker .st-wrap {
  padding: 48px 32px 64px;
  background: var(--p2n-bg);
}

/* ---- Shared section header (kicker / h2 / lede) ------------------------ */
body.seat-tracker .st-kicker {
  font-family: var(--p2n-sans);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--p2n-muted);
  margin: 0 0 8px;
}
body.seat-tracker .st-h2 {
  font-family: var(--p2n-serif);
  font-size: 23px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--p2n-ink);
  margin: 0;
  text-wrap: pretty;
}
body.seat-tracker .st-h3 {
  font-family: var(--p2n-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--p2n-ink);
  margin: 0;
}
body.seat-tracker .st-lede {
  font-family: var(--p2n-sans);
  font-size: 12px;
  line-height: 1.5;
  color: var(--p2n-secondary2);
  max-width: 640px;
  margin: 6px 0 18px;
  text-wrap: pretty;
}

/* Section rhythm: default gap above each section is 52px; a couple differ. */
body.seat-tracker .st-section { margin-top: 52px; }
body.seat-tracker .st-section--hero { margin-top: 28px; }
body.seat-tracker .st-section--swing { margin-top: 40px; }

/* Tabular numerals everywhere numbers appear */
body.seat-tracker .st-num,
body.seat-tracker [class*="st-"] .st-num { font-variant-numeric: tabular-nums; }

/* ==========================================================================
   1 - Masthead
   ========================================================================== */
body.seat-tracker .st-masthead-kicker {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--p2n-ink);
  border-top: 3px solid var(--p2n-ink);
  padding-top: 10px;
  margin: 0;
}
body.seat-tracker .st-masthead-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}
body.seat-tracker .st-h1 {
  font-family: var(--p2n-serif);
  font-size: 40px;
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--p2n-headline);
  margin: 12px 0 0;
  text-wrap: pretty;
}
body.seat-tracker .st-asof {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--p2n-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
body.seat-tracker .st-standfirst {
  font-family: var(--p2n-serif);
  font-size: 17px;
  line-height: 1.5;
  color: var(--p2n-headline);   /* near-black lead paragraph (reads stronger on white) */
  max-width: 680px;
  margin: 14px 0 0;
  text-wrap: pretty;
}
body.seat-tracker .st-standfirst strong { color: var(--p2n-ink); }
body.seat-tracker .st-differentiator {
  font-size: 12px;
  color: var(--p2n-secondary2);
  margin: 10px 0 0;
  max-width: 680px;
}

/* Links - scoped to page content only, so the shared nav/footer keep their
   own styling (a broad `body.seat-tracker a` was turning the navbar red).
   :where() keeps specificity low so .st-chip / button links still win. */
body.seat-tracker :where(.st-wrap) a { color: var(--p2n-accent); text-decoration: underline; text-underline-offset: 2px; }
body.seat-tracker :where(.st-wrap) a:hover { color: var(--p2n-ink); }

/* ==========================================================================
   2 - Hero: full-width Commons bar
   ========================================================================== */
body.seat-tracker .st-hero-labelrow {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 14px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--p2n-muted);
}
body.seat-tracker .st-hero-bar {
  position: relative;
  display: flex;
  height: 76px;
  border: 1px solid var(--p2n-ink);
}
body.seat-tracker .st-hero-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--p2n-on-ink);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  min-width: 0;
}
body.seat-tracker .st-hero-seg--ld { color: #4a3600; }  /* white fails contrast on yellow */
/* segment label sizes step down with width */
body.seat-tracker .st-hero-seg.is-lab { font-size: 22px; }
body.seat-tracker .st-hero-seg.is-ref,
body.seat-tracker .st-hero-seg.is-con { font-size: 20px; }
body.seat-tracker .st-hero-seg.is-ld  { font-size: 18px; }
body.seat-tracker .st-hero-seg.is-snp { font-size: 15px; }
body.seat-tracker .st-hero-seg.is-nolabel { font-size: 0; } /* Green/Plaid/Others: no label */

/* majority marker */
body.seat-tracker .st-majority-rule {
  position: absolute;
  top: -8px;
  bottom: -8px;
  left: 50.15%;      /* 326 / 650 */
  width: 2px;
  background: var(--p2n-ink);
  transform: translateX(-1px);
  z-index: 2;
}
body.seat-tracker .st-majority-cap {
  position: absolute;
  top: 0;
  left: 50.15%;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--p2n-ink);
  background: var(--p2n-bg);
  padding: 0 8px;
  white-space: nowrap;
  z-index: 3;
}
/* hero wrapper needs headroom for the caption */
body.seat-tracker .st-hero-barwrap { position: relative; padding-top: 22px; }

/* hero legend */
body.seat-tracker .st-hero-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
}
body.seat-tracker .st-legend-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--p2n-secondary);
  font-variant-numeric: tabular-nums;
}
body.seat-tracker .st-swatch {
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  display: inline-block;
}
body.seat-tracker .st-chg { font-weight: 700; }
body.seat-tracker .st-chg--up { color: var(--st-pos); }
body.seat-tracker .st-chg--down { color: var(--st-neg); }
body.seat-tracker .st-chg--flat { color: var(--st-zero); }

/* ==========================================================================
   3 - Swingometer panel (black)
   ========================================================================== */
/* Editorial swingometer signpost: crisp bordered panel on the cream page,
   accent kicker + serif heading + dark button. Prominent but not a loud box. */
body.seat-tracker .st-swing-cta {
  background: var(--p2n-panel);
  border: 1px solid var(--p2n-ink);
  border-left: 4px solid var(--p2n-accent);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
body.seat-tracker .st-swing-cta-kicker {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--p2n-accent);
  margin: 0 0 8px;
}
body.seat-tracker .st-swing-cta-h {
  font-family: var(--p2n-serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--p2n-ink);
  margin: 0 0 8px;
  text-wrap: pretty;
}
body.seat-tracker .st-swing-cta-body {
  font-size: 13px;
  line-height: 1.55;
  color: var(--p2n-secondary2);
  max-width: 640px;
  margin: 0;
}
body.seat-tracker .st-swing-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  background: var(--p2n-ink);
  color: var(--p2n-on-ink);
  font-family: var(--p2n-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 13px 22px;
  border-radius: 2px;
  text-decoration: none;
  transition: background 150ms;
}
body.seat-tracker .st-swing-cta-btn:hover { background: var(--p2n-accent); color: var(--p2n-on-ink); }
body.seat-tracker .st-btn-yellow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--p2n-ld);
  color: var(--p2n-ink);
  font-family: var(--p2n-sans);
  font-size: 15px;
  font-weight: 700;
  padding: 15px 24px;
  border: none;
  border-radius: 0;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background 150ms;
}
body.seat-tracker .st-btn-yellow .st-arrow { font-size: 17px; }
body.seat-tracker .st-btn-yellow:hover { background: var(--p2n-panel); color: var(--p2n-ink); }

/* ==========================================================================
   4 - Find your seat
   ========================================================================== */
body.seat-tracker .st-search-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: stretch;
}
body.seat-tracker .st-search-input {
  flex: 1 1 340px;
  max-width: 420px;
  font-family: var(--p2n-sans);
  font-size: 14px;
  background: var(--p2n-panel);
  border: 1px solid var(--p2n-control);
  border-radius: 2px;
  padding: 11px 13px;
  color: var(--p2n-body);
}
body.seat-tracker .st-btn-dark {
  background: var(--p2n-ink);
  color: var(--p2n-on-ink);
  font-family: var(--p2n-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 11px 20px;
  border: 1px solid var(--p2n-ink);
  border-radius: 2px;
  cursor: pointer;
  transition: background 150ms, border-color 150ms;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
body.seat-tracker .st-btn-dark:hover { background: var(--p2n-accent); border-color: var(--p2n-accent); color: var(--p2n-on-ink); }

body.seat-tracker .st-bellwether-label { font-size: 12px; color: var(--p2n-secondary2); margin: 16px 0 8px; }
body.seat-tracker .st-chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
body.seat-tracker .st-chip {
  font-size: 13px;
  color: var(--p2n-body);
  background: var(--p2n-panel);
  border: 1px solid var(--p2n-control);
  border-radius: 2px;
  padding: 6px 12px;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 150ms, color 150ms;
}
body.seat-tracker .st-chip:hover { border-color: var(--p2n-ink); color: var(--p2n-ink); }
body.seat-tracker .st-chip-link { font-size: 13px; color: var(--p2n-secondary); text-decoration: underline; text-underline-offset: 2px; }

/* ==========================================================================
   Generic card
   ========================================================================== */
body.seat-tracker .st-card {
  background: var(--p2n-panel);
  border: 1px solid var(--p2n-border);
}

/* ==========================================================================
   5 - Trend chart
   ========================================================================== */
body.seat-tracker .st-chart-controls {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
body.seat-tracker .st-ctrl-group { display: flex; flex-wrap: wrap; gap: 6px; }
body.seat-tracker .st-ctrl {
  font-family: var(--p2n-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 2px;
  background: var(--p2n-panel);
  border: 1px solid var(--p2n-control);
  color: var(--p2n-body);
  cursor: pointer;
  transition: background 120ms, color 120ms, border-color 120ms;
}
/* range group: active is orange */
body.seat-tracker .st-ctrl--range.is-active {
  background: var(--p2n-accent);
  border-color: var(--p2n-accent);
  color: var(--p2n-on-ink);
}
/* metric group: active is ink */
body.seat-tracker .st-ctrl--metric.is-active {
  background: var(--p2n-ink);
  border-color: var(--p2n-ink);
  color: var(--p2n-on-ink);
}

/* Chart sits bare on the page (gb-polls manner) - no card border/fill. */
body.seat-tracker .st-chart-card {
  background: transparent;
  border: none;
  padding: 0;
}
body.seat-tracker .st-chart-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}
body.seat-tracker .st-chart-count { font-size: 12px; color: var(--p2n-muted); font-variant-numeric: tabular-nums; }
/* One chips row only (the chart's end-labels are the on-plot legend). */
body.seat-tracker #seatLegendMobile { display: none; }
body.seat-tracker .st-chart-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
body.seat-tracker .st-chart-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  border: 1px solid var(--p2n-border);
  border-radius: 3px;
  padding: 5px 10px;
  background: var(--p2n-tint);
}
body.seat-tracker .st-chart-chip .st-chip-name { color: var(--p2n-secondary); }
body.seat-tracker .st-chart-chip .st-chip-seats { font-weight: 700; color: var(--p2n-ink); font-variant-numeric: tabular-nums; }
body.seat-tracker .st-chart-caption { font-size: 11px; color: var(--p2n-muted); margin: 10px 0 0; }

/* Per-party seat change over the selected range (below the chips). */
body.seat-tracker .st-range-delta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  margin: 0 0 12px;
  font-size: 12px;
  color: var(--p2n-secondary);
  font-variant-numeric: tabular-nums;
}
body.seat-tracker .st-range-delta:empty { display: none; }
body.seat-tracker .st-rd-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--p2n-muted); }
body.seat-tracker .st-rd-item { display: inline-flex; align-items: center; gap: 6px; }
body.seat-tracker .st-rd-item b { font-weight: 700; }

/* ==========================================================================
   6 - Momentum grid
   ========================================================================== */
body.seat-tracker .st-momentum {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  border: 1px solid var(--p2n-border);
}
body.seat-tracker .st-mom-cell {
  background: var(--p2n-panel);
  border-right: 1px solid var(--p2n-hairline);
  border-bottom: 1px solid var(--p2n-hairline);
  padding: 14px 16px;
}
body.seat-tracker .st-mom-head { display: flex; align-items: center; gap: 7px; }
body.seat-tracker .st-mom-party { font-size: 12px; font-weight: 700; color: var(--p2n-ink); }
body.seat-tracker .st-mom-figure { display: flex; align-items: baseline; gap: 8px; margin: 8px 0 2px; }
body.seat-tracker .st-mom-seats {
  font-size: 30px;
  font-weight: 700;
  color: var(--p2n-headline);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
body.seat-tracker .st-mom-chg { font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
body.seat-tracker .st-mom-label { font-size: 11px; color: var(--p2n-muted); }
body.seat-tracker .st-mom-spark { display: block; margin-top: 8px; width: 100%; height: auto; }

/* ==========================================================================
   7 - Poll picker + projection panel
   ========================================================================== */
body.seat-tracker .st-poll-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}
body.seat-tracker .st-poll-card {
  background: var(--p2n-panel);
  border: 1px solid var(--p2n-border);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 150ms;
}
body.seat-tracker .st-poll-card:hover { border-color: var(--p2n-ink); }
body.seat-tracker .st-poll-card.selected {
  background: var(--p2n-tint);
  border: 1px solid var(--p2n-ink);
  box-shadow: inset 0 0 0 1px var(--p2n-ink);
}
/* Custom "build your own" card variant */
body.seat-tracker .st-poll-custom { cursor: default; display: flex; flex-direction: column; gap: 8px; }
body.seat-tracker .st-poll-custom:hover { border-color: var(--p2n-border); }
body.seat-tracker .st-poll-custom .st-pc-title { font-size: 14px; font-weight: 700; color: var(--p2n-ink); }
body.seat-tracker .st-poll-custom .st-pc-desc { font-size: 12px; color: var(--p2n-secondary2); line-height: 1.45; }
body.seat-tracker .st-poll-custom .st-btn-dark { margin-top: auto; align-self: flex-start; }
body.seat-tracker .st-poll-card:focus-visible {
  outline: 2px solid var(--p2n-accent);
  outline-offset: 2px;
}
body.seat-tracker .st-poll-cardhead {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
body.seat-tracker .st-poll-pollster { font-size: 13px; font-weight: 700; color: var(--p2n-ink); }
body.seat-tracker .st-poll-dates { font-size: 11px; color: var(--p2n-muted); font-variant-numeric: tabular-nums; }
body.seat-tracker .st-vshare-bar {
  display: flex;
  height: 8px;
  margin: 10px 0 8px;
  overflow: hidden;
}
body.seat-tracker .st-vshare-seg { height: 100%; }
body.seat-tracker .st-vshare-row { font-size: 11px; color: var(--p2n-secondary); font-variant-numeric: tabular-nums; }
body.seat-tracker .st-poll-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--p2n-hairline);
}
body.seat-tracker .st-poll-leader { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--p2n-muted); }
body.seat-tracker .st-poll-seats { font-size: 20px; font-weight: 700; color: var(--p2n-ink); font-variant-numeric: tabular-nums; }
body.seat-tracker .st-poll-gap { font-size: 11px; color: var(--p2n-accent); margin-top: 4px; }
body.seat-tracker .st-poll-gap--maj { color: var(--st-pos); }
body.seat-tracker .st-poll-delta { font-size: 11px; color: var(--p2n-muted); margin-top: 4px; }
body.seat-tracker .st-poll-delta b { font-weight: 700; }

/* projection panel */
body.seat-tracker .st-proj {
  background: var(--p2n-panel);
  border: 1px solid var(--p2n-ink);
  padding: 20px 22px;
  margin-top: 18px;
}
body.seat-tracker .st-proj-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}
body.seat-tracker .st-proj-h3 { font-family: var(--p2n-serif); font-size: 20px; font-weight: 700; color: var(--p2n-ink); margin: 4px 0 0; }
body.seat-tracker .st-proj-meta { font-size: 12px; color: var(--p2n-secondary2); margin: 4px 0 0; font-variant-numeric: tabular-nums; }
body.seat-tracker .st-proj-right { text-align: right; }
body.seat-tracker .st-proj-leader { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--p2n-muted); }
body.seat-tracker .st-proj-seats { font-size: 40px; font-weight: 700; color: var(--p2n-ink); line-height: 1; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
body.seat-tracker .st-proj-gap { font-size: 13px; color: var(--p2n-accent); font-variant-numeric: tabular-nums; }
body.seat-tracker .st-proj-gap--maj { color: var(--st-pos); }

body.seat-tracker .st-proj-bar {
  position: relative;
  display: flex;
  height: 44px;
  border: 1px solid var(--p2n-ink);
  margin: 16px 0 8px;
}
body.seat-tracker .st-proj-colhead { text-align: right; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--p2n-muted); margin: 14px 0 8px; }
body.seat-tracker .st-proj-colhead-em { color: var(--p2n-accent); }
body.seat-tracker .st-proj-rows {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0 24px;
}
body.seat-tracker .st-proj-row {
  display: grid;
  grid-template-columns: 96px 1fr 40px 44px;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--p2n-hairline);
  font-variant-numeric: tabular-nums;
}
body.seat-tracker .st-proj-rowname { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--p2n-body); }
body.seat-tracker .st-proj-track { height: 10px; background: var(--p2n-tint); position: relative; overflow: hidden; }
body.seat-tracker .st-proj-fill { display: block; height: 100%; }
body.seat-tracker .st-proj-rowseats { text-align: right; font-size: 13px; font-weight: 700; color: var(--p2n-ink); }
body.seat-tracker .st-proj-rowchg { text-align: right; font-size: 12px; font-weight: 600; }
body.seat-tracker .st-proj-caption { font-size: 11px; color: var(--p2n-muted); margin: 12px 0 0; }

/* second swingometer signpost strip */
body.seat-tracker .st-signpost {
  background: var(--p2n-tint);
  border: 1px solid var(--p2n-ink);
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}
body.seat-tracker .st-signpost-text { font-size: 13px; color: var(--p2n-body); }
body.seat-tracker .st-btn-dark--sm { padding: 10px 18px; font-size: 13px; font-weight: 700; }
body.seat-tracker .st-sampling-note { font-size: 11px; color: var(--p2n-muted); margin: 14px 0 0; }

/* Basis badge: what a section's numbers are computed from (poll vs 7-poll avg). */
body.seat-tracker .st-basis {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 6px 12px;
  background: var(--p2n-tint);
  border: 1px solid var(--p2n-border);
  border-left: 3px solid var(--p2n-accent);
  border-radius: 2px;
  font-size: 11px;
  font-weight: 600;
  color: var(--p2n-body);
}
body.seat-tracker .st-basis:empty { display: none; }
body.seat-tracker .st-basis .st-basis-k { text-transform: uppercase; letter-spacing: 0.08em; color: var(--p2n-muted); font-size: 10px; font-weight: 700; }
body.seat-tracker .st-basis b { font-weight: 700; color: var(--p2n-ink); }

/* ==========================================================================
   8 - Change since GE2024
   ========================================================================== */
body.seat-tracker .st-diverge { }
body.seat-tracker .st-div-row {
  display: grid;
  grid-template-columns: 120px 1fr 1fr 64px;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--p2n-hairline);
}
body.seat-tracker .st-div-name { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--p2n-body); }
body.seat-tracker .st-div-loss { display: flex; justify-content: flex-end; align-items: center; gap: 6px; }
body.seat-tracker .st-div-gain { display: flex; justify-content: flex-start; align-items: center; gap: 6px; border-left: 1px solid var(--p2n-border); }
body.seat-tracker .st-div-bar { display: block; height: 14px; flex: 0 0 auto; }
body.seat-tracker .st-div-val { font-size: 12px; color: var(--p2n-muted); flex: 0 0 auto; }
body.seat-tracker .st-div-chg { text-align: right; font-size: 13px; font-weight: 700; font-variant-numeric: tabular-nums; }

body.seat-tracker .st-summary-table { width: 100%; border-collapse: collapse; margin-top: 22px; font-variant-numeric: tabular-nums; }
body.seat-tracker .st-summary-table th {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--p2n-muted);
  border-bottom: 2px solid var(--p2n-ink); padding: 8px; text-align: right;
}
body.seat-tracker .st-summary-table th:first-child { text-align: left; }
body.seat-tracker .st-summary-table td { font-size: 13px; padding: 8px; border-bottom: 1px solid var(--p2n-hairline); text-align: right; }
body.seat-tracker .st-summary-table td:first-child { text-align: left; }
body.seat-tracker .st-summary-table .st-td-proj { font-weight: 700; color: var(--p2n-ink); }
body.seat-tracker .st-summary-table .st-td-chg { font-weight: 700; }

/* ==========================================================================
   9 - All constituencies (filters + table)
   ========================================================================== */
body.seat-tracker .st-filter-card {
  background: var(--p2n-panel);
  border: 1px solid var(--p2n-border);
  padding: 18px 20px;
}
body.seat-tracker .st-filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
body.seat-tracker .st-field-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--p2n-muted); margin: 0 0 5px; display: block; }
body.seat-tracker .st-field {
  width: 100%;
  font-family: var(--p2n-sans);
  font-size: 13px;
  background: var(--p2n-tint);   /* inset fill, reads against white card */
  border: 1px solid var(--p2n-control);
  border-radius: 2px;
  padding: 8px 10px;
  color: var(--p2n-body);
}
body.seat-tracker .st-filter-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--p2n-hairline);
}
body.seat-tracker .st-filter-count { font-size: 13px; color: var(--p2n-secondary); }
body.seat-tracker .st-filter-count b { font-weight: 700; color: var(--p2n-ink); font-variant-numeric: tabular-nums; }
body.seat-tracker .st-filter-actions { display: flex; gap: 8px; }
body.seat-tracker .st-btn-outline {
  background: var(--p2n-panel);
  color: var(--p2n-body);
  border: 1px solid var(--p2n-control);
  border-radius: 2px;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  cursor: pointer;
  transition: border-color 150ms, color 150ms;
}
body.seat-tracker .st-btn-outline:hover { border-color: var(--p2n-ink); color: var(--p2n-ink); }

body.seat-tracker .st-const-table { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 13px; font-variant-numeric: tabular-nums; }
body.seat-tracker .st-const-table th {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--p2n-muted);
  border-bottom: 2px solid var(--p2n-ink); padding: 9px; text-align: left;
}
body.seat-tracker .st-const-table td { padding: 9px; border-bottom: 1px solid var(--p2n-hairline); }
body.seat-tracker .st-const-table tbody tr:hover { background: var(--p2n-tint); }
body.seat-tracker .st-const-table .st-col-const { color: var(--p2n-ink); }
body.seat-tracker .st-const-table .st-col-region { color: var(--p2n-secondary2); }
body.seat-tracker .st-const-table .st-col-2024 { color: var(--p2n-secondary2); }
body.seat-tracker .st-const-table .st-col-margin { text-align: right; }
body.seat-tracker .st-const-table .st-col-change { text-align: right; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
body.seat-tracker .st-col-change.is-hold { color: var(--p2n-muted); }
body.seat-tracker .st-const-winner { display: inline-flex; align-items: center; gap: 7px; }

/* ==========================================================================
   10 & 11 - Methodology + FAQ (details/summary accordions)
   ========================================================================== */
body.seat-tracker .st-method { }
body.seat-tracker .st-method details {
  border-top: 1px solid var(--p2n-hairline);
}
body.seat-tracker .st-method details:last-of-type { border-bottom: 1px solid var(--p2n-hairline); }
body.seat-tracker .st-method summary {
  font-family: var(--p2n-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--p2n-ink);
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}
body.seat-tracker .st-method summary::-webkit-details-marker { display: none; }
body.seat-tracker .st-method .st-method-body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--p2n-body2);
  max-width: 640px;
  padding-bottom: 16px;
}

body.seat-tracker .st-faq details {
  background: var(--p2n-panel);
  border-top: 1px solid var(--p2n-hairline);
}
body.seat-tracker .st-faq details:last-of-type { border-bottom: 1px solid var(--p2n-hairline); }
body.seat-tracker .st-faq summary {
  font-family: var(--p2n-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--p2n-ink);
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}
body.seat-tracker .st-faq summary::-webkit-details-marker { display: none; }
body.seat-tracker .st-faq .st-faq-body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--p2n-body2);
  max-width: 680px;
  padding: 0 18px 16px;
}

/* ==========================================================================
   12 - Footer note
   ========================================================================== */
body.seat-tracker .st-footnote {
  font-size: 11px;
  line-height: 1.7;
  color: var(--p2n-faint);
  max-width: 720px;
  margin-top: 52px;
  border-top: 1px solid var(--p2n-border);
  padding-top: 18px;
}

/* Mobile-only blocks are hidden by default (desktop). Declared BEFORE the
   media query so the query's display:block wins at <=768px (equal specificity). */
body.seat-tracker .st-hero-mobile { display: none; }
body.seat-tracker .st-const-stacked { display: none; }

/* ==========================================================================
   Responsive - single breakpoint at 768px (1e mobile)
   ========================================================================== */
@media (max-width: 768px) {
  body.seat-tracker .st-wrap { padding: 24px 16px 40px; }

  /* Masthead */
  body.seat-tracker .st-masthead-kicker { font-size: 11px; }
  body.seat-tracker .st-masthead-row { flex-direction: column; gap: 6px; }
  body.seat-tracker .st-h1 { font-size: 28px; line-height: 1.08; }
  body.seat-tracker .st-standfirst { font-size: 15px; }

  /* Hero -> horizontal rows */
  body.seat-tracker .st-hero-bar { display: none; }
  body.seat-tracker .st-hero-barwrap .st-majority-cap,
  body.seat-tracker .st-hero-barwrap > .st-majority-rule { display: none; }
  body.seat-tracker .st-hero-mobile { display: block; }
  body.seat-tracker .st-hero-numblock { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
  body.seat-tracker .st-hero-bignum { font-size: 56px; font-weight: 700; line-height: 1; letter-spacing: -0.03em; color: var(--p2n-headline); font-variant-numeric: tabular-nums; }
  body.seat-tracker .st-hero-bigparty { font-family: var(--p2n-serif); font-size: 17px; color: var(--p2n-ink); }
  body.seat-tracker .st-hero-biggap { margin-left: auto; text-align: right; font-size: 12px; color: var(--p2n-secondary2); font-variant-numeric: tabular-nums; }
  body.seat-tracker .st-hero-mrow { display: grid; grid-template-columns: 62px 1fr 34px; align-items: center; gap: 10px; padding: 3px 0; }
  body.seat-tracker .st-hero-mlabel { font-size: 12px; color: var(--p2n-secondary); }
  body.seat-tracker .st-hero-mtrack { position: relative; height: 20px; background: var(--p2n-tint); overflow: hidden; }
  body.seat-tracker .st-hero-mfill { display: block; height: 100%; }
  body.seat-tracker .st-hero-mmaj { position: absolute; top: 0; bottom: 0; left: 50.15%; width: 2px; background: var(--p2n-ink); }
  body.seat-tracker .st-hero-mseats { text-align: right; font-size: 13px; font-weight: 700; color: var(--p2n-ink); font-variant-numeric: tabular-nums; }

  /* Swingometer callout stacks; full-width button */
  body.seat-tracker .st-swing-cta { grid-template-columns: 1fr; gap: 16px; padding: 20px; }
  body.seat-tracker .st-swing-cta-btn { width: 100%; justify-content: center; }

  /* Section headers smaller */
  body.seat-tracker .st-kicker { font-size: 10px; }
  body.seat-tracker .st-h2 { font-size: 19px; }

  /* Find your seat full-width */
  body.seat-tracker .st-search-input { flex: 1 1 100%; max-width: none; font-size: 15px; padding: 13px 14px; }
  body.seat-tracker .st-btn-dark { width: 100%; justify-content: center; font-size: 15px; padding: 14px 20px; }

  /* Momentum -> 2 cols */
  body.seat-tracker .st-momentum { grid-template-columns: repeat(2, 1fr); }
  body.seat-tracker .st-mom-seats { font-size: 26px; }

  /* Poll picker stacked */
  body.seat-tracker .st-poll-grid { grid-template-columns: 1fr; gap: 10px; }
  body.seat-tracker .st-proj-rows { grid-template-columns: 1fr; }
  body.seat-tracker .st-proj-row { grid-template-columns: 1fr 38px 42px; }
  body.seat-tracker .st-proj-row .st-proj-rowname { grid-column: 1 / -1; }

  /* Range controls bigger touch targets */
  body.seat-tracker .st-ctrl { font-size: 14px; padding: 9px 14px; }

  /* Constituency table: drop the secondary "2024" column (2nd) so the key
     columns - seat, projected winner, margin, change - all fit without a
     horizontal scroll that would hide the change status. */
  body.seat-tracker #seat-calc-constituency-results { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  body.seat-tracker .st-const-table { font-size: 12px; width: 100%; }
  body.seat-tracker .st-const-table th:nth-child(2),
  body.seat-tracker .st-const-table td:nth-child(2) { display: none; }
  body.seat-tracker .st-const-table th,
  body.seat-tracker .st-const-table td { padding: 8px 6px; }
  body.seat-tracker .st-const-table .st-const-winner { gap: 5px; }
}
